553611431 has 2 divisors, whose sum is σ = 553611432. Its totient is φ = 553611430.

The previous prime is 553611413. The next prime is 553611439. The reversal of 553611431 is 134116355.

Together with previous prime (553611413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 553611431 - 2⁶ = 553611367 is a prime.

It is a super-2 number, since 2×553611431² = 612971233067735522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 553611394 and 553611403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553611439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276805715 + 276805716.

It is an arithmetic number, because the mean of its divisors is an integer number (276805716).

Almost surely, 2^553611431 is an apocalyptic number.

553611431 is a deficient number, since it is larger than the sum of its proper divisors (1).

553611431 is an equidigital number, since it uses as much as digits as its factorization.

553611431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 29.

The square root of 553611431 is about 23528.9487865480. The cubic root of 553611431 is about 821.1106460118.

Adding to 553611431 its reverse (134116355), we get a palindrome (687727786).

The spelling of 553611431 in words is "five hundred fifty-three million, six hundred eleven thousand, four hundred thirty-one".